<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Demo</title>
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
</head>
<body>
    <button id="ldBtn">Load Data</button>
    <table id="rsTbl"></table>
    
    <script type="text/javascript" src="demo.js"></script>
</body>
</html>